OpenTechnical

OT-2026-000050459

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000050459) never changes.

Identity and time

Publication numberOT-2026-000050459 · never reused
Internal UUID01a0ae82-5c48-7de8-8ee8-b8772d797873 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050459
StatusPUBLIC

Content hashes

Canonical text764286fc48496e775142673149d1a037ab38bd1892c59ccdb9cb577ac63bbe04
Markdown777721ae6ee97efff4429c55ba702b577cc4c910907f73a3879fc998f57d760c
PDF
Publication page7c4194e90714c2f106218f633585019606d413457262a91c7c491ce649670bbe
Manifest776e2bfa255b5221be3907adc1f3f6c7bf48ab0ec37b4fd45a3abbb69e81d5b6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNYFYv/DT4GRzfqBEkzLD5O9NzDLLBOdt3i/+hfLhXZKKLmebjzH8YQUgbncT0nuMYyvABUP0r37J7stYdoIdBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:30.595091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050459
observed 7c4194e90714c2f106218f6335850196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.579030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050459/manifest.json
observed 776e2bfa255b5221be3907adc1f3f6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.562405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050459/publication.md
observed 777721ae6ee97efff4429c55ba702b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.547030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050459/publication.txt
observed 764286fc48496e775142673149d1a037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.